Project: Samolet Bank Microservice Platform.• Developed and deployed business microservices: savings accounts service, real estate booking service;• Developed and deployed infrastructural microservices: clients' e-signatures service, S3 Minio-based document storage;• Developed microservice platform libraries: logging for HTTP/Kafka in JSON format, Swagger UI auto-generation for REST endpoints;• Implemented documentation auto-generation for Kafka asynchronous API according to AsyncApi specification;• Co-designed a platform microservice template;• Performed refactoring and standardization of 30 infrastructural microservices.Responsibilities:• Developing new microservices and implementing features for existent ones;• Designing backend architecture;• Developing and approving technical requirements;• Performing code reviews;• Creating technical documentation;• Implementing integration and unit tests;• Conducting software demos;• Mentoring junior engineers.Tech stack: Kotlin, Java 21, Spring Boot 3, Gradle, Netty, R2DBC, PostgreSQL, REST, Apache Kafka, S3 Minio, Docker, Gitlab CI/CD.

Project: Universal Microservice Platform (general banking microservices).• gRPC Spring Boot Starter for MTS Bank Java product teams;• Document Generation Service based on JasperReports with GUI based on Vaadin Flow• General-purpose Storage Microservice based on Amazon S3 and Minio;• Multiple banking business microservices (money transfers, clients' information etc.).Tech stack: Java 11, Spring Boot 2, Maven, PostgreSQL, REST, gRPC, Amazon S3, Minio Client, HashiCorp Consul, HashiCorp Vault, JasperReports, Vaadin, Prometheus, Docker.

Project: SberMobile. System for selling SIM cards, changing mobile operators for existing numbers and other related operations.Tech stack: Java 8, Spring 4, Maven, JRebel, JUnit, Mockito, Lombok, JasperReports, UFS (Unified Front-end System).